Most 3d printers used for printing Silver are expensive. Solidscape wax machines have an average rating of $1k and above, depending on the specifications and features you preferred. Somtimes the filaments are not included in buying the 3d printer. If you wanted to purchase high quality end 3d printers they are much more expensive.

If you can't afford to buy for a mean time you always have the option to find a 3d printing company and have your 3d model printed.